LCPONeighborList Class Reference

#include <ComputeLCPO.h>

Public Member Functions
	LCPONeighborList ()
	~LCPONeighborList ()
LCPOAtom *	newlist (int max_size)
LCPOAtom *	newlist ()
void	newsize (int list_size)
void	reset ()
void	nextlist (LCPOAtom **list, int *list_size)
int	getSize ()

Detailed Description

Definition at line 27 of file ComputeLCPO.h.

Constructor & Destructor Documentation

LCPONeighborList::LCPONeighborList ( )

inline

Definition at line 38 of file ComputeLCPO.h.

                     :
      maxNeighbors(initsize), maxAtoms(initsize),
      curNeighbor(0), curAtom(0) {
    neighbors = new LCPOAtom[initsize];
    nnfa = new int[initsize];
  }

LCPONeighborList::~LCPONeighborList ( )

inline

Definition at line 44 of file ComputeLCPO.h.

                      {
    delete [] neighbors;
    delete [] nnfa;
  }

Member Function Documentation

int LCPONeighborList::getSize ( )

inline

Definition at line 90 of file ComputeLCPO.h.

{ return maxNeighbors; }

LCPOAtom* LCPONeighborList::newlist ( int  max_size )

inline

Definition at line 48 of file ComputeLCPO.h.

Referenced by ComputeLCPO::doForce().

                                  {  // get a new list w/ room for max_size
    //do we need to make room for more neighbors
    int reqNewSize = curNeighbor + max_size;
    int newSize = maxNeighbors;
    while ( newSize < reqNewSize ) { newSize += newSize >> 1; }
    if ( newSize > maxNeighbors ) {
      LCPOAtom *newNeighbors = new LCPOAtom[newSize];
      CmiMemcpy(newNeighbors,neighbors,curNeighbor*sizeof(LCPOAtom));
      delete [] neighbors;
      neighbors = newNeighbors;
      maxNeighbors = newSize;
    }
    //do we need to make room for more atoms
    if (curAtom == maxAtoms) {
      newSize = maxAtoms + (maxAtoms >> 1);
      int *newNnfa = new int[newSize];
      CmiMemcpy(newNnfa,nnfa,curAtom*sizeof(int));
      delete [] nnfa;
      nnfa = newNnfa;
      maxAtoms = newSize;
    }
    return &neighbors[curNeighbor];
  }

LCPOAtom* LCPONeighborList::newlist ( )

inline

Definition at line 72 of file ComputeLCPO.h.

                      {  // get a new list assuming already allocated
    return &neighbors[curNeighbor];
  }

void LCPONeighborList::newsize ( int  list_size )

inline

Definition at line 75 of file ComputeLCPO.h.

Referenced by ComputeLCPO::doForce().

                              {  // set the size of the last list gotten
    nnfa[curAtom] = list_size;
    curAtom++;
    curNeighbor += list_size;
  }

void LCPONeighborList::nextlist ( LCPOAtom **  list, int *  list_size  )

inline

Definition at line 84 of file ComputeLCPO.h.

Referenced by ComputeLCPO::doForce().

                                                 {  // get next list and size
    *list = &neighbors[curNeighbor];
    *list_size = nnfa[curAtom];
    curNeighbor += nnfa[curAtom];
    curAtom ++;
  }

void LCPONeighborList::reset ( )

inline

Definition at line 80 of file ComputeLCPO.h.

Referenced by ComputeLCPO::doForce().

               {  // go back to the beginning
    curNeighbor = 0;
    curAtom = 0;
  }

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The documentation for this class was generated from the following file:

• ComputeLCPO.h